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LOG OF EXPLORATORY BORING IN <br /> PROJECT NUMBER 0805-114.02 BORING NO B26/AS3 <br /> PROJECT NAME ARCO Products Company Service Station No. 2130 PAGE 1 OF 4 <br /> BY D. Foley DATE 8110195 SURFACE ELEV —15 ft. <br /> RECOVERY PID PENETRA- W LITHO- WELL <br /> TION �W J GRAPHIC DESCRIPTION DETAIL <br /> �¢� `y--i CL ¢ COLUMN <br /> (ft/ft) (ppm) (btws/ft) CEJ <br /> Boring drilled inside existing vault box and 12-meb <br /> diameter PVC conductor casing <br /> 5 <br /> 10 <br /> 15 <br /> SII-T(ML), grayish brown (10YR, 512), 100% low <br /> plasticity fines, iron-oxide staining over 30% of <br /> sample, manganese-oxide staining over 5% of <br /> sample, very stiff, damp, no hydrocarbon odor <br /> 4 l 511 5 00 20 <br /> REMARKS <br /> Boring drilled using 8-inch diameter continuous-flight,hollow-stein auger drilling equipment and sampled with a <br /> modified California split-spoon sampler Boring drilled inside existing 12-inch diameter PVC conductor casing Boring <br /> converted to a 2-inch diameter air sparge well See Well Details sheet for well construction information <br /> Q4: <br />